<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>relative</title>
    <style>@import "CSS/relative.css";</style>
</head>
<body>
<div id="container">
    <div id="d1">div1...div1</div>
    <div id="d2">div2...div2</div>
    <div id="d3">div3...div3</div>
</div>
</body>
</html>